Expand:- (2a+1/2a) (4a^2-1+1/4a^2)
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Step-by-step explanation:
Using (a+b+c)^2=a^2+b^2+c^2+2ab+2bc+2ac
=(1/2a)^2+(-1/2b)^2+1^2+2×1/2a×-1/2b+2×-1/2b×1+2×1/2a×1
=1/4a^2+1/4b^2+1-1/2ab-1+1
Therefore,
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